NET objects and Language Integrated Query (LINQ). The Entity Framework enables developers to program against relational databases using.Improvements in Data Access and Modeling.Innovations in the Visual Basic and C# languages, for example statement lambdas, implicit line continuations, dynamic dispatch, and named/optional parameters.

For a comprehensive list of enhancements to CLR and BCL go here.

Easier debugging including dump debugging, Watson minidumps, mixed mode debugging for 64 bit and code contracts.

New memory mapped file and numeric types.

Performance improvement including better multicore support, background garbage collection, and profiler attach on server.

Improvements in Common Language Runtime (CLR) and Base Class Library (BCL).

NET Framework 4 Client Profile provides the following new features and improvements: NET Framework 4, supported OS and machine architectures with or without earlier versions of the Framework can install the Client Profile to take advantage of the faster deployment and improved features of. NET Client Profile was only available to XP x86 machines without any. NET Framework 4 instead of the Client Profile.Įarlier version of the. Application developers who require features that are not included in the Client Profile should target the full. The Client Profile is designed to run client applications and to enable the fastest possible deployment for Windows Presentation Foundation (WPF) and Windows Forms technology. NET Framework 4 Client Profile provides a subset of features from the. Then, it will give a choice to repair.Īfter following the above steps, the repair did not succeed because: Generic trust failure.Īction: Downloading and/or Verifying Items. It will give you a choice of Uninstall/Change, click it.Į. Scroll down to Microsoft.Net Framework 4 Client Profile, right click it.ĭ. Click on Start and click on Control panel.Ĭ. Net Framework 4 Client Profile by following these steps:Ī. Therefore, after searching on Windows forum for solution for that error, i've tried to repair the Microsoft. The error details for the update is Code 66A.

However, upon many tries of installing the update, i still couldn't get it install. NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008, Windows I'm currently using a window 7 64 bit operating system fujitsu laptop and I've been trying to install a update: 'Security Update for Microsoft.

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